This Dec. 6, 2017 photo made available by SpaceX shows a Tesla car next to the fairing of a Falcon Heavy rocket in Cape Canaveral, Fla. For the Heavy's inaugural flight, the rocket will carry up Elon Musk's roadster. In addition to SpaceX, Musk runs the electric car maker Tesla. .(SpaceX via AP)

A mannequin â€œStarmanâ€ sits at the wheel of a Tesla Roadster in this photo posted on the Instagram account of Elon Musk, head of auto company Tesla and founder of the private space company SpaceX. The car will be on board when SpaceX launches its new rocket, the Falcon Heavy, from Kennedy Space Center at Cape Canaveral, Fla., scheduled for Tuesday, Feb. 6, 2018. (Courtesy of Elon Musk/Instagram via AP)

In this image from video provided by SpaceX, two booster rockets land at Cape Canaveral, Fla., during the first test flight of the Falcon Heavy rocket on Tuesday, Feb. 6, 2018. (SpaceX via AP)

This image from video provided by SpaceX shows the company's spacesuit in Elon Musk's red Tesla sports car which was launched into space during the first test flight of the Falcon Heavy rocket on Tuesday, Feb. 6, 2018. (SpaceX via AP)